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| author | Sumant Patro <sumant.patro@lsi.com> | 2007-05-17 16:47:51 +0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-05-24 18:08:27 +0400 |
| commit | 05e9ebbefb379a4da782b21b8427c88ac28a2334 (patch) | |
| tree | effaeaafd39a849d6a4a303bde6f60714c1a72c9 /drivers/scsi/eata_pio.c | |
| parent | 3d9780b97667fcd63159c0933fdce75465da6c70 (diff) | |
| download | linux-05e9ebbefb379a4da782b21b8427c88ac28a2334.tar.xz | |
[SCSI] megaraid_sas: intercept cmd timeout and throttle io
eh_timed_out call back (megasas_reset_timer) is used to throttle io
to the adapter when it is called the first time for a scmd.
The MEGASAS_FW_BUSY flag is set and can_queue reduced to 16.
The can_queue is restored from completion routine in following
two conditions : 5 seconds has elapsed and
the # of outstanding cmds in FW is < 17.
Signed-off-by: Sumant Patro <sumant.patro@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/eata_pio.c')
0 files changed, 0 insertions, 0 deletions